Update go-runc to bd9aef7cf4402a3a8728e3ef83dcca6a5a1be899

Also remove the comment fields in the vndr script, they are too hard to
keep up to date and add little value when we have the git commit
timestamps

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

vendor/github.com/crosbymichael/go-runc/utils.go

@@ -1,9 +1,7 @@
 package runc
 
 import (
-	"fmt"
 	"io/ioutil"
-	"os/exec"
 	"strconv"
 	"syscall"
 )
@@ -18,21 +16,6 @@ func ReadPidFile(path string) (int, error) {
 	return strconv.Atoi(string(data))
 }
 
-// runOrError will run the provided command.  If an error is
-// encountered and neither Stdout or Stderr was set the error and the
-// stderr of the command will be returned in the format of <error>:
-// <stderr>
-func runOrError(cmd *exec.Cmd) error {
-	if cmd.Stdout != nil || cmd.Stderr != nil {
-		return cmd.Run()
-	}
-	data, err := cmd.CombinedOutput()
-	if err != nil {
-		return fmt.Errorf("%s: %s", err, data)
-	}
-	return nil
-}
-
 const exitSignalOffset = 128
 
 // exitStatus returns the correct exit status for a process based on if it